From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Instruction sheet detailing the results of a Brinell hardness test on various components.
| Identifier | ExFiles\Box 37\4\ scan 134 | |
| Date | 7th June 1917 | |
| R.R. 26 (2M.) S.D. 71. 18-12-16. X.3041 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark Date: 7th June 1917 Order No.: Customer's No.: 4734 Saturation Speaps Gavd'y & Brinell test M1 3.05 99 P1 3.07 85 P2 2.88 62 M2 3.10 79 H 2.72 54 C 3.00 60 Signed: [Illegible signature] This Sheet must be filed on completion of the work. | ||